"Left turn arrows are in place to improve safety at intersections. Green arrows are displayed at the end of a signal's phase to allow vehicles to safely make a left hand turn. A significant number of accidents at intersections involve left turning vehicles, which is why it's important to have left turn arrows to aid these vehicles in completing a safe turn. Laramie's traffic signals run in a lagging left turn phase (flashing yellow followed by a solid green arrow) and false calls can occur when a vehicle enters the detection zone of the left turn lane. A green arrow should not be displayed if a vehicle has not been detected. We will conduct a check on these signals to ensure they are functioning properly. Also, these signals run freely in a fully actuated mode to accommodate real-time traffic flow, rather than in a fixed-time mode, to help improve efficiency. This type of system helps reduce delays for motorists.

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